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Priority to JP19048686UpriorityCriticalpatent/JPS6395303U/ja
Priority to EP19870900869prioritypatent/EP0289605A4/en
Priority to US07/254,778prioritypatent/US4983892A/en
Priority to PCT/JP1987/000020prioritypatent/WO1987004567A1/ja
Priority to KR1019870700833Aprioritypatent/KR880701025A/ko
Publication of JPS6395303UpublicationCriticalpatent/JPS6395303U/ja